created () {
var arr1 = [
{ x: 513.4261838440111, y: 174 },
{ x: 270.3404255319149, y: 174 },
{ x: 513.4261838440111, y: 174 },
{ x: 520.5167237931058, y: 369.80798782499784 },
{ x: 520.5167237931058, y: 369.80798782499784 },
{ x: 241.57929926401988, y: 381.9650668601638 },
{ x: 270.3404255319149, y: 174 },
{ x: 241.5792992640199, y: 381.9650668601638 }
]
var kv = {}
for (var i = 0; i < arr1.length;) {
if (kv[arr1[i].x + ',' + arr1[i].y]) {
arr1.splice(i, 1)
} else {
kv[arr1[i].x + ',' + arr1[i].y] = true
i++
}
}
console.log(arr1)
},
